Table 1. Results of meta-analysis for CCL3L1 CNV and HIV-1 susceptibility.

Study groups	GCN ≤ PMN Vs.GCN > PMN			GCN < PMN Vs.GCN ≥ PMN
	Na	OR (95% CI)	P	Na	OR (95% CI)	P
Ethnicity
African	4	1.44 (0.87–2.40)	0.016	5	1.35 (0.83–2.20)	0.000
Caucasian	6	1.08 (0.76–1.53)	0.001	5	1.73 (1.09–2.75)	0.000
Japanese	1	2.92 (1.69–5.07)	−	1	3.50 (2.10–5.86)	−
Sample size
<500 subjects	8	1.35 (0.81–2.25)	0.000	8	1.58 (1.00–2.50)	0.000
>500 subjects	5	1.38 (1.00–1.92)	0.000	4	1.94 (1.48–2.55)	0.011
Age group
Infants	4	2.01 (1.58–2.56)	0.274	4	2.10 (1.68–2.63)	0.994
Adults	9	1.19 (0.86–1.65)	0.000	8	1.55 (1.05–2.28)	0.000

^aNumber of comparisons.